2018 Kia Optima EX. Recent Arrival! 2018 Kia Optima EX Titanium Silver Gray Leather. Odometer is 1347 miles below market average! 24/34 City/Highway MPG If you're in the market for a new or used car, you've come to the right place. The staff at St. Charles Nissan/ Hyundai... via AutoRevolution